Seiko Cal. 6658 - 934

The Seiko 6658-934 represents an important milestone in Seiko's 1965 lineup. Powered by the 6658 caliber with 30j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-be3fa55574d1]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1965

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